Home / 809,236.63-1,213,913.27-310,600.63

Finding the Fourth Proportional to 809,236.63, 1,213,913.27 and 310,600.63

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Solution

The fourth proportional to 809,236.63, 1,213,913.27 and 310,600.63 is: 465,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,236.63 : 1,213,913.27 = 310,600.63 : x
  2. Step 2: Convert to fraction form
    809,236.63/1,213,913.27 = 310,600.63/x
  3. Step 3: Cross multiply
    809,236.63x = 1,213,913.27 × 310,600.63
  4. Step 4: Simplify right side
    809,236.63x = 377,042,226,427.36
  5. Step 5: Solve for x
    x = 377,042,226,427.36/809,236.63
  6. Step 6: Final answer
    x = 465,923.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.